Wave Interference
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Preuzimanje
Ugrađivanje
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Originalna simulacija i aktivnosti |
Teme
- Interferencija
- Dvostruki prorez
- Difrakcija
- Valovi
Opis
Make waves with a dripping faucet, audio speaker, or laser! Add a second source to create an interference pattern. Put up a barrier to explore single-slit diffraction and double-slit interference. Experiment with diffraction through elliptical, rectangular, or irregular apertures.
Uzorak ciljeva učenja
- Make waves with water, sound, and light and see how they are related.
- Design an experiment to measure the speed of the wave.
- Create an interference pattern with two sources, and determine the ways to change the pattern.
- Find points of constructive and destructive interference by eye and by using the detectors.
- Put up a barrier to see how the waves move through one or two slits. What sort of pattern do the slits create? How can you change this pattern?
- For light, predict the locations of the fringes that appear on the screen using d sin(θ) = mλ. Use the tape measure to verify your predictions.
- Explain how the aperture geometry relates to the diffraction pattern.
- Predict how changing the wavelength or aperture size affects the diffraction pattern.
Verzija 2.0.2
Savjeti učitelja
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Pregled kontrole simulacije, pojednostavljenje modela i uvid u učenička razmišljanja ( PDF ). |
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Pretražite naslijeđene aktivnosti.
HTML5 sims can run on iPads and Chromebooks, as well as PC, Mac, and Linux systems.
iPad:
iOS 12+ Safari
iPad compatible sims
Android:
Not officially supported. If you are using the HTML5 sims on Android, we recommend using the latest version of Google Chrome.
Chromebook:
Latest version of Google Chrome
The HTML5 and Flash PhET sims are supported on all Chromebooks.
Chromebook compatible sims
Windows Systems:
Microsoft Edge, latest version of Firefox, latest version of Google Chrome.
Macintosh Systems:
macOS 10.13+, Safari 13+, latest version of Chrome.
Linux Systems:
Not officially supported. Please contact phethelp@colorado.edu with troubleshooting issues.
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